题目：Which statement is not true about opinions（）
A．An opinion is what a person believes or thinks about something
B．Opinions cannot be questioned
C．Opinions can be proved as true
D．Opinions vary from different persons
题目：Which statement is not true about opinions（）
A．An opinion is what a person believes or thinks about something
B．Opinions cannot be questioned
C．Opinions can be proved as true
D．Opinions vary from different persons